What feature of a disease classifies it as a prion disease?

Which plains area lies in both the united states and canada? altiplano central canadian shield coastal plains great plains

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a